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Programming Documents for Pre-K for SA - The City of San Antonio

Programming Documents for Pre-K for SA - The City of San Antonio

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2. An optical fiber cable with connectors installed on both ends. See Cable Assembly.<br />

Ladder Rack<br />

A device similar to a cable tray but more closely resembles a single section <strong>of</strong> a ladder. It is<br />

constructed <strong>of</strong> metal with two sides affixed to horizontal cross members.<br />

Link<br />

A transmission path between two points, not including terminal equipment, work area cables, patch<br />

cables, and equipment cables. Can be up to 90 m (295 ft) in length <strong>for</strong> horizontal cabling.<br />

Local Area Network<br />

<strong>The</strong> standard industry term <strong>for</strong> a network installation that serves a relatively small area (e.g., structured<br />

cabling installation serving a building).<br />

Loss<br />

Attenuation <strong>of</strong> a signal, usually measured in dB.<br />

Main Cross-connect<br />

<strong>The</strong> cross-connect normally located in the (main) equipment room <strong>for</strong> cross-connection and<br />

interconnection <strong>of</strong> entrance cables, first-level backbone cables, and equipment cables.<br />

Membrane Penetration<br />

An opening through only one surface or side <strong>of</strong> a barrier.<br />

Multimode Optical Fiber<br />

An optical wave guide that allows many bound modes to propagate.<br />

Mushroom<br />

See Spool.<br />

Network<br />

A series <strong>of</strong> controllers, all connected via a telecommunications cable.<br />

Optical Fiber<br />

A transmission media using a thin filament <strong>of</strong> glass or plastic to transmit pulse light signals. Its<br />

bandwidth is higher than copper and not subject to electromagnetic interference. <strong>The</strong> optical fiber<br />

consists <strong>of</strong> a central core (glass or plastic) and an outer cladding.<br />

Optical Fiber Cable<br />

Cable made up <strong>of</strong> one or more strands <strong>of</strong> glass consisting <strong>of</strong> a central core and outer cladding (optical<br />

fibers), strength members, and an outer jacket.<br />

Outlet Box (Telecommunications)<br />

A metallic or non-metallic box mounted within a floor, wall, or ceiling and used to hold<br />

telecommunications outlets/connectors or transition devices.<br />

Outlet/Connector (Telecommunications)<br />

A connecting device in the work area on which horizontal cable or outlet cable terminates.<br />

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